Suction
Pronunciation : Suc"tion
Part of Speech : n.
Etymology : [L. sugere, suctum, to suck; cf. OF. suction. See Suck, v. t.]
Definition : Defn: The act or process of sucking; the act of drawing, as fluids, by exhausting the air. Suction chamber, the chamber of a pump into which the suction pipe delivers. -- Suction pipe, Suction valve, the induction pipe, and induction valve, of a pump, respectively. -- Suction pump, the common pump, in which the water is raised into the barrel by atmospheric pressure. See Illust. of Pump.
Source : Webster's Unabridged Dictionary, 1913